/*
 * Copyright (C) 2015 - 2018, Daniel Dahan and CosmicMind, Inc. <http://cosmicmind.com>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *	*	Redistributions of source code must retain the above copyright notice, this
 *		list of conditions and the following disclaimer.
 *
 *	*	Redistributions in binary form must reproduce the above copyright notice,
 *		this list of conditions and the following disclaimer in the documentation
 *		and/or other materials provided with the distribution.
 *
 *	*	Neither the name of CosmicMind nor the names of its
 *		contributors may be used to endorse or promote products derived from
 *		this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import UIKit

open class ImageCard: Card {
  /**
   A Display value to indicate whether or not to
   display the imageView to the full view
   bounds.
   */
  open var displayStyle = DisplayStyle.partial {
    didSet {
      layoutSubviews()
    }
  }
  
  /// A preset wrapper around imageViewEdgeInsets.
  open var imageViewEdgeInsetsPreset = EdgeInsetsPreset.none {
    didSet {
      imageViewEdgeInsets = EdgeInsetsPresetToValue(preset: imageViewEdgeInsetsPreset)
    }
  }
  
  /// A reference to imageViewEdgeInsets.
  @IBInspectable
  open var imageViewEdgeInsets = EdgeInsets.zero {
    didSet {
      layoutSubviews()
    }
  }
  
  /// A reference to the imageView.
  @IBInspectable
  open var imageView: UIImageView? {
    didSet {
      oldValue?.removeFromSuperview()
      
      if let v = imageView {
        container.addSubview(v)
      }
      
      layoutSubviews()
    }
  }
  
  /// An ImageCardToolbarAlignment value.
  open var toolbarAlignment = ToolbarAlignment.bottom {
    didSet {
      layoutSubviews()
    }
  }
  
  /// Reloads the view.
  open override func reload() {
    var h: CGFloat = 0
    
    if let v = imageView {
      h = prepare(view: v, with: imageViewEdgeInsets, from: h)
      container.sendSubview(toBack: v)
    }
    
    if let v = toolbar {
      prepare(view: v, with: toolbarEdgeInsets, from: h)
      v.frame.origin.y = .top == toolbarAlignment ? toolbarEdgeInsets.top : h - v.bounds.height - toolbarEdgeInsets.bottom
      container.bringSubview(toFront: v)
    }
    
    if let v = contentView {
      h = prepare(view: v, with: contentViewEdgeInsets, from: h)
    }
    
    if let v = bottomBar {
      h = prepare(view: v, with: bottomBarEdgeInsets, from: h)
    }
    
    container.frame.size.height = h
    bounds.size.height = h
  }
}
